build: install submodules before building

[codebytere]

Closes https://github.com/nornagon/electron-minidump/issues/17

[Sanford284]

still not work, I install it manually.

[duncannz]

@erickzhao we would love to see this fix released in a new version soon 🤞

[louis-cf-lin]

+1 on this, is there a release planned in the near future?

[continuous-auth[bot]]

:tada: This PR is included in version 0.26.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: